Hex Capscrew Grade 5 Full Thread 5/16IN-18 X 1/2IN

Enhance your heavy equipment’s performance with the Case Construction Hex Capscrew. This Grade 5, full-thread capscrew measures 5/16in-18 x 1/2in, ensuring durability and reliability for all your construction needs. Perfect for securing components with confidence.

Compatible equipment

This part fits BACKHOE, LOADER, DAVIS TASKFORCE SUPER TRENCHER, WHEEL LOADER STD LINKAGE - STAGE V - 2025 UPDATES, DRIVE - WHEEL LOADER STD LINKAGE - STAGE V - 2025 UPDATES, WHEEL LOADER - STAGE V - TS - ZBAR, WHEEL LOADER - T4B - STD LINKAGE, WHEEL LOADER - T4B - XR LINKAGE, CASE CRAWLER EXCAVATOR, CASE CRUZ-AIR WHEELED EXCAVATOR, STD LINKAGE WHEEL LOADER STAGE 5, CASE CRAWLER TRACTOR, CRAWLER DOZER, CASE LOGGER CRAWLER EXCAVATOR, CASE FELLER/BUNCHER CRAWLER EXCAVATOR, CASE TRIMLINE TRENCHER, DROTT CRAWLER EXCAVATOR, COMPACT WHEEL LOADER TIER 3, COMPACT WHEEL LOADER STD, TC, COMPACT WHEEL LOADER STD, ZB, CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER W/DEUTZ ENGINE, SERIES - CASE UNI-LOADER SKID STEER LOADER, CASE GASOLINE ENGINE, WINCH, SMALL WHEEL LOADER, COMPACT WHEEL LOADER STD EVO, ZB, UTILITY BACKHOE, COMPACT WHEEL LOADER HS, ZB, LOADER AND BACKHOE, CASE/BELOIT SKID KING WHEEL LOADER, CASE SKID KING WHEEL LOADER, BACKHOE AND LOADER FOR 530CK TRACTORS, BACKHOE FOR W7, W9A, W9B, W10, CASE WHEEL TRACTOR, BACKHOE AND LOADER, BACKHOE FOR 310G AND 450 CRAWLER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, DROTT ENGINES FOR 35 CRAWLER - B SERIES, BACKHOE FOR CRAWLER MODELS 750, 850, 1150, BACKHOE FOR 680CK TRACTOR, BACKHOES FOR CRAWLER MODELS 750, 850, 1150, SERIES A INTERNATIONAL LOADER TRACTOR, BACKHOE FOR 450, 450B, 850, 850B, AND W14, CASE LOADER BACKHOE ATTACHMENTS, CASE TRENCHER, CASE G.P. & L.C.G. WHEEL TRACTOR, CASE LOADER/LANDSCAPER TRACTOR, DROTT SERIES-B FELLER/BUNCHER CRAWLER EXCAVATOR, DROTT SERIES-A CRAWLER EXCAVATOR, DROTT SERIES-B CRAWLER EXCAVATOR, CASE SKID STEER LOADER, SKID STEER - 410 NA BSN N7M480924, 410 EU BSN N7M468736, SKID STEER - TIER 3, 420NA N7M466710, 420EU ASN N8M466713, COMPACT TRACK LOADER - SERIES 3, ASN N7M455401, COMPACT WHEEL LOADER HS, ZB - STAGE V, CASE CONSTRUCTION KING WHEEL TRACTOR, SKID STEER - BSN N7M425032, SKID STEER - TIER 3 , ASN N7M425032, SKID STEER - BSN N7M454787, SKID STEER - TIER 3 , ASN N7M454787, COMPACT TRACK LOADER - BSN N8M458846, COMPACT TRACK LOADER - TIER 3 , ASN N8M458846, CASE LONG TRACK CRAWLER TRACTOR, CASE CONSTRUCTION KING LOADER BACKHOE, WHEEL LOADER XT LINKAGE - STAGE V - 2025 UPDATES, WHEEL LOADER - STAGE V - TS - XT, WHEEL LOADER - T4B - XT LINKAGE, IND - CASE CRAWLER TRACTOR, LOADER LANDSCAPER, SERIES 3 LOADER LANDSCAPER TIER 3 - ASN N8C510600, LOADER LANDSCAPER - LIVERY, LOADER LANDSCAPER - TIER 4B - MY26, LOADER LANDSCAPER - TIER 4A ASN NCC570600, TRACTOR LOADER BACKHOE, BACKHOE LOADER, BACKHOE LOADER TIER 4- MR1UP, CASE CONSTRUCTION KING FORKLIFT, CASE CONSTRUCTION KING TRACTOR W/SHUTTLE TRANSMISSION, CASE CONSTRUCTION KING WHEEL TRACTOR W/HYDROSTATIC TRANSMISSION, ELECTRIC FOUR WHEEL DRIVE, CASE CONSTRUCTION KING LOADER BACKHOE - 4WD SUPPLEMENT, CASE CONSTRUCTION KING LOADER BACKHOE - TURBO SUPPLEMENT, SERIES 2 LOADER BACKHOE - ASN JJG0239360, BACKHOE LOADER - TIER 3 NRC, BACKHOE LOADER - TIER 4A - FROM PIN NCC560000, BACKHOE LOADER, 2WD - TIER 3 NRC - MY18, BACKHOE LOADER, 2WD - TIER 3 NRC - MY19, BACKHOE LOADER, 2WD - TIER 4B - MY18, BACKHOE LOADER, 2WD - TIER 4B - MY19, BACKHOE LOADER, 4WD - TIER 3 NRC - MY18, BACKHOE LOADER, 4WD - TIER 3 NRC - MY19, BACKHOE LOADER, 4WD - TIER 4B - MY18, BACKHOE LOADER, 4WD - TIER 4B - MY19, LOADER BACKHOE - TIER 3 NRC, CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-K CONSTRUCTION KING LOADER BACKHOE, LOADER BACKHOE - BSN JJG0239361, BACKHOE LOADER - TIER 4A - FROM PIN NCC564000, LOADER BACKHOE, BACKHOE LOADER - WIDE TRACK, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 3 NRC - MY18, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 3 NRC - MY19, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 4B - MY18, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 4B - MY19, BACKHOE LOADER, WIDE TRACK, BACKHOE LOADER, WIDE TRACK - TIER 3 NRC, BACKHOE LOADER, CENTER PIVOT, TOOL CARRIER, 4WD - TIER 4B - MY22, BACKHOE LOADER, CENTER PIVOT, TOOL CARRIER, 4WD - TIER 4B - MY24, BACKHOE LOADER, CENTER PIVOT, TOOL CARRIER, 4WD - TIER 4B - MY25, BACKHOE LOADER, CENTER PIVOT, TOOL CARRIER, 4WD, WEST VIRGINIA - TIER 4B - MY24, BACKHOE LOADER, SIDE SHIFT, STRAIGHT LOADER ARM, 4WD - TIER 3 - MY21, BACKHOE LOADER, SIDE SHIFT, TOOL CARRIER, 4WD - TIER 4B - MY22, BACKHOE LOADER, SIDE SHIFT, TOOL CARRIER, 4WD - TIER 4B - MY25, CASE CONSTRUCTION KING FORKLIFT TRACTOR, CASE FORKLIFT, FORKLIFT - LIVERY, FORKLIFT, TURBO LOADER BACKHOE, SERIES 2 LOADER BACKHOE - ASN JJG0210575, CASE TERRATRAC GASOLINE CRAWLER TRACTOR, CASE TURBO HORIZONTAL DIRECTIONAL DRILLING MACHINE, CASE WHEEL LOADER, SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005, SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006, SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008, CASE WHEEL LOADER TIER 3, CRAWLER DOZER TIER 3, DOUBLE DRUM, FLEETLINE 25+4 TRENCHER, 4WD MOTOR GRADER ELECTRO-HYDRAULIC - STAGE V, 4WD MOTOR GRADER MY20 - STAGE V, 6WD MOTOR GRADER ELECTRO-HYDRAULIC - STAGE V, AWD MOTOR GRADER MY20 - STAGE V, Tier-4, CASE TURBO TRENCHER, 6WG1XASS11 - ISUZU DIESEL ENGINE, CRUSHER, SERIES-B MAXI-SNEAKER CABLE LAYER, SERIES-B MINI-SNEAKER CABLE LAYER, COMPACT WHEEL LOADER STD, ELECTRIC, ZB, MINI CRAWLER EXCAVATOR, CANOPY, MINI CRAWLER EXCAVATOR, CANOPY, MY20 - STAGE V, MINI CRAWLER EXCAVATOR MY20 - STAGE V, CASE BACKHOE, CASE TRENCHER W/2.1L ENGINE, TRENCHER - STEERING WHEEL SUPPLEMENT, MINOTAUR COMPACT DOZER LOADER, CASE TRENCHER W/LOADER BACKHOE, DAVIS FLEETLINE 70+4 TRENCHER, SNEAKER - SERIES-C TRENCHER, SNEAKER C - 25+4XP TRENCHER, DAVIS FLEETLINE 30+4 TRENCHER, DAVIS FLEETLINE 40+4 TRENCHER, SKID STEER LOADER, SKID STEER LOADER - NRC, SKID STEER LOADER - TIER 3 - ROW, SKID STEER LOADER - TIER 4F - NA, SKID STEER ENGINE - 844T, REGULATED NA - TIER 4 - MY26, SKID STEER LOADER TIER 4, REGULATED NA, TIER 4 - MY26, COMPACT TRACK LOADER, COMPACT TRACK LOADER - NRC, COMPACT TRACK LOADER - TIER 3 - ROW, CASE UNIT LOADER, CASE WHEEL LOADER W/POD CAB - NEW YORK STATE SPECIAL, CASE ARTICULATED WHEEL LOADER including models 26, 26B, 26D, 1000, 1021G, 1021G X, 1021G2, 1080, 1080B, 1085B, 1085C, 1086B, 1121G, 1121G X, 1121G2, 1150B, 1150D, 1150E, 1150G, 1150H, 1150M LT, 1150M WT, 1150M WT/LGP, 1155D, 1155E.

Frequently asked questions

What is the part number?

The manufacturer part number is 88574.

Is this a genuine OEM part?

Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.

Will this fit my machine?

See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.

Where does this ship from?

Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.